SNVSAQ4B December   2017  – May 2019 LMZM23601

PRODUCTION DATA.  

  1. Features
  2. Applications
  3. Description
    1.     Device Images
      1.      Schematic for Fixed Output Option 24-V to 5-V, 1-A DC/DC Converter
      2.      Single-Sided Layout Solution Size 24-V to 5-V, 1-A DC/DC Converter
  4. Revision History
  5. Device Comparison
  6. Pin Configuration and Functions
    1.     Pin Functions
  7. Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 System Characteristics
    7. 7.7 Typical Characteristics
  8. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Control Scheme
      2. 8.3.2 Soft-Start Function
      3. 8.3.3 Enable and External UVLO Function
      4. 8.3.4 Current Limit
      5. 8.3.5 Hiccup Mode
      6. 8.3.6 Power Good (PGOOD) Function
      7. 8.3.7 MODE/SYNC Function
        1. 8.3.7.1 Forced PWM Mode
        2. 8.3.7.2 Auto PFM Mode
        3. 8.3.7.3 Dropout Mode
        4. 8.3.7.4 SYNC Operation
      8. 8.3.8 Thermal Protection
    4. 8.4 Device Functional Modes
      1. 8.4.1 Shutdown
      2. 8.4.2 FPWM Operation
      3. 8.4.3 Auto PFM Mode Operation
  9. Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 Design Requirements
        1. 9.2.1.1 Maximum Input Voltage for VOUT < 2.5 V
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Custom Design With WEBENCH® Tools
        2. 9.2.2.2 Input Capacitor Selection
        3. 9.2.2.3 Output Capacitor Selection
        4. 9.2.2.4 Feedback Voltage Divider for Adjustable Output Voltage Versions
        5. 9.2.2.5 RPU - PGOOD Pullup Resistor
        6. 9.2.2.6 VIN Divider and Enable
      3. 9.2.3 Application Curves
        1. 9.2.3.1 VOUT = 5 V
        2. 9.2.3.2 VOUT = 3.3 V
        3. 9.2.3.3 VOUT = 12 V
        4. 9.2.3.4 VOUT = 15 V
        5. 9.2.3.5 VOUT = 2.5 V
        6. 9.2.3.6 VOUT = 1.2 V and VOUT = 1.8 V
        7. 9.2.3.7 VOUT = 5 V and 3.3 V Fixed Output Options
    3. 9.3 Do's and Don't's
  10. 10Power Supply Recommendations
    1. 10.1 Supply Voltage Range
    2. 10.2 Supply Current Capability
    3. 10.3 Supply Input Connections
      1. 10.3.1 Voltage Drops
      2. 10.3.2 Stability
  11. 11Layout
    1. 11.1 Layout Guidelines
      1. 11.1.1 Thermal Design
    2. 11.2 Layout Examples
  12. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 Third-Party Products Disclaimer
    2. 12.2 Custom Design With WEBENCH® Tools
    3. 12.3 Documentation Support
      1. 12.3.1 Related Documentation
    4. 12.4 Receiving Notification of Documentation Updates
    5. 12.5 Community Resources
    6. 12.6 Trademarks
    7. 12.7 Electrostatic Discharge Caution
    8. 12.8 Glossary
  13. 13Mechanical, Packaging, and Orderable Information
    1. 13.1 Tape and Reel Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • SIL|10
Thermal pad, mechanical data (Package|Pins)
Orderable Information

Features

  • 4-V to 36-V Wide operating input voltage
  • 1.2-V to 15-V Adjustable, and 3.3-V or 5-V fixed output voltage options
  • 1-A Output current
  • Only input and output capacitors needed for 5-V and 3.3-V output designs
  • 27-mm2 Solution size with single-sided layout
  • 28-µA Supply current at no load
  • 2-µA Shutdown current
  • Power-good flag
  • External frequency synchronization
  • MODE selection pin
    • Forced PWM mode for constant frequency operation
    • Auto PFM mode for high efficiency at light load
  • Built-in control loop compensation, soft start, current limit, and UVLO
  • Miniature 3.8-mm × 3-mm × 1.6-mm package
  • Create a custom design using the LMZM23601 with the WEBENCH® Power Designer